-/* $Id: mdoc_man.c,v 1.122 2017/06/14 22:51:25 schwarze Exp $ */
+/* $Id: mdoc_man.c,v 1.137 2021/07/04 15:38:26 schwarze Exp $ */
/*
- * Copyright (c) 2011-2017 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2011-2021 Ingo Schwarze <schwarze@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
typedef int (*int_fp)(DECL_ARGS);
typedef void (*void_fp)(DECL_ARGS);
-struct manact {
+struct mdoc_man_act {
int_fp cond; /* DON'T run actions */
int_fp pre; /* pre-node action */
void_fp post; /* post-node action */
static void post_sect(DECL_ARGS);
static void post_vt(DECL_ARGS);
static int pre__t(DECL_ARGS);
+static int pre_abort(DECL_ARGS);
static int pre_an(DECL_ARGS);
static int pre_ap(DECL_ARGS);
static int pre_aq(DECL_ARGS);
static int pre_li(DECL_ARGS);
static int pre_nm(DECL_ARGS);
static int pre_no(DECL_ARGS);
+static void pre_noarg(DECL_ARGS);
static int pre_ns(DECL_ARGS);
static void pre_onearg(DECL_ARGS);
static int pre_pp(DECL_ARGS);
static void pre_sp(DECL_ARGS);
static int pre_sect(DECL_ARGS);
static int pre_sy(DECL_ARGS);
-static void pre_syn(const struct roff_node *);
+static void pre_syn(struct roff_node *);
static void pre_ta(DECL_ARGS);
static int pre_vt(DECL_ARGS);
static int pre_xr(DECL_ARGS);
static void print_count(int *);
static void print_node(DECL_ARGS);
-static const void_fp roff_manacts[ROFF_MAX] = {
+static const void_fp roff_man_acts[ROFF_MAX] = {
pre_br, /* br */
pre_onearg, /* ce */
+ pre_noarg, /* fi */
pre_ft, /* ft */
pre_onearg, /* ll */
pre_onearg, /* mc */
+ pre_noarg, /* nf */
pre_onearg, /* po */
pre_onearg, /* rj */
pre_sp, /* sp */
pre_onearg, /* ti */
};
-static const struct manact __manacts[MDOC_MAX - MDOC_Dd] = {
+static const struct mdoc_man_act mdoc_man_acts[MDOC_MAX - MDOC_Dd] = {
{ NULL, NULL, NULL, NULL, NULL }, /* Dd */
{ NULL, NULL, NULL, NULL, NULL }, /* Dt */
{ NULL, NULL, NULL, NULL, NULL }, /* Os */
{ cond_head, pre_enc, NULL, "\\- ", NULL }, /* Nd */
{ NULL, pre_nm, post_nm, NULL, NULL }, /* Nm */
{ cond_body, pre_enc, post_enc, "[", "]" }, /* Op */
- { NULL, pre_Ft, post_font, NULL, NULL }, /* Ot */
+ { NULL, pre_abort, NULL, NULL, NULL }, /* Ot */
{ NULL, pre_em, post_font, NULL, NULL }, /* Pa */
{ NULL, pre_ex, NULL, NULL, NULL }, /* Rv */
{ NULL, NULL, NULL, NULL, NULL }, /* St */
{ NULL, pre_bk, post_bk, NULL, NULL }, /* Bx */
{ NULL, pre_skip, NULL, NULL, NULL }, /* Db */
{ NULL, NULL, NULL, NULL, NULL }, /* Dc */
- { cond_body, pre_enc, post_enc, "\\(Lq", "\\(Rq" }, /* Do */
- { cond_body, pre_enc, post_enc, "\\(Lq", "\\(Rq" }, /* Dq */
+ { cond_body, pre_enc, post_enc, "\\(lq", "\\(rq" }, /* Do */
+ { cond_body, pre_enc, post_enc, "\\(lq", "\\(rq" }, /* Dq */
{ NULL, NULL, NULL, NULL, NULL }, /* Ec */
{ NULL, NULL, NULL, NULL, NULL }, /* Ef */
{ NULL, pre_em, post_font, NULL, NULL }, /* Em */
{ NULL, pre_em, post_font, NULL, NULL }, /* Fr */
{ NULL, NULL, NULL, NULL, NULL }, /* Ud */
{ NULL, NULL, post_lb, NULL, NULL }, /* Lb */
- { NULL, pre_pp, NULL, NULL, NULL }, /* Lp */
+ { NULL, pre_abort, NULL, NULL, NULL }, /* Lp */
{ NULL, pre_lk, NULL, NULL, NULL }, /* Lk */
{ NULL, pre_em, post_font, NULL, NULL }, /* Mt */
{ cond_body, pre_enc, post_enc, "{", "}" }, /* Brq */
{ NULL, NULL, post_percent, NULL, NULL }, /* %Q */
{ NULL, NULL, post_percent, NULL, NULL }, /* %U */
{ NULL, NULL, NULL, NULL, NULL }, /* Ta */
+ { NULL, pre_skip, NULL, NULL, NULL }, /* Tg */
};
-static const struct manact *const manacts = __manacts - MDOC_Dd;
+static const struct mdoc_man_act *mdoc_man_act(enum roff_tok);
static int outflags;
#define MMAN_spc (1 << 0) /* blank character before next word */
} fontqueue;
+static const struct mdoc_man_act *
+mdoc_man_act(enum roff_tok tok)
+{
+ assert(tok >= MDOC_Dd && tok <= MDOC_MAX);
+ return mdoc_man_acts + (tok - MDOC_Dd);
+}
+
static int
man_strlen(const char *cp)
{
case ESCAPE_UNICODE:
case ESCAPE_NUMBERED:
case ESCAPE_SPECIAL:
+ case ESCAPE_UNDEF:
case ESCAPE_OVERSTRIKE:
if (skip)
skip = 0;
/* Set up the current list. */
if (chsz > sz && bl->type != LIST_tag)
- print_block(".HP", 0);
+ print_block(".HP", MMAN_spc);
else {
- print_block(".TP", 0);
+ print_block(".TP", MMAN_spc);
remain = sz + 2;
}
if (numeric) {
}
void
-man_man(void *arg, const struct roff_man *man)
-{
-
- /*
- * Dump the keep buffer.
- * We're guaranteed by now that this exists (is non-NULL).
- * Flush stdout afterward, just in case.
- */
- fputs(mparse_getkeep(man_mparse(man)), stdout);
- fflush(stdout);
-}
-
-void
-man_mdoc(void *arg, const struct roff_man *mdoc)
+man_mdoc(void *arg, const struct roff_meta *mdoc)
{
struct roff_node *n;
+ printf(".\\\" Automatically generated from an mdoc input file."
+ " Do not edit.\n");
+ for (n = mdoc->first->child; n != NULL; n = n->next) {
+ if (n->type != ROFFT_COMMENT)
+ break;
+ printf(".\\\"%s\n", n->string);
+ }
+
printf(".TH \"%s\" \"%s\" \"%s\" \"%s\" \"%s\"\n",
- mdoc->meta.title,
- (mdoc->meta.msec == NULL ? "" : mdoc->meta.msec),
- mdoc->meta.date, mdoc->meta.os, mdoc->meta.vol);
+ mdoc->title, (mdoc->msec == NULL ? "" : mdoc->msec),
+ mdoc->date, mdoc->os, mdoc->vol);
/* Disable hyphenation and if nroff, disable justification. */
printf(".nh\n.if n .ad l");
fontqueue.head = fontqueue.tail = mandoc_malloc(8);
*fontqueue.tail = 'R';
}
- for (n = mdoc->first->child; n != NULL; n = n->next)
- print_node(&mdoc->meta, n);
+ for (; n != NULL; n = n->next)
+ print_node(mdoc, n);
putchar('\n');
}
static void
print_node(DECL_ARGS)
{
- const struct manact *act;
- struct roff_node *sub;
- int cond, do_sub;
+ const struct mdoc_man_act *act;
+ struct roff_node *sub;
+ int cond, do_sub;
if (n->flags & NODE_NOPRT)
return;
* Break the line if we were parsed subsequent the current node.
* This makes the page structure be more consistent.
*/
- if (MMAN_spc & outflags && NODE_LINE & n->flags)
+ if (outflags & MMAN_spc &&
+ n->flags & NODE_LINE &&
+ !roff_node_transparent(n))
outflags |= MMAN_nl;
act = NULL;
do_sub = 1;
n->flags &= ~NODE_ENDED;
- if (n->type == ROFFT_TEXT) {
+ switch (n->type) {
+ case ROFFT_EQN:
+ case ROFFT_TBL:
+ mandoc_msg(n->type == ROFFT_EQN ? MANDOCERR_EQN_TMAN :
+ MANDOCERR_TBL_TMAN, n->line, n->pos, NULL);
+ outflags |= MMAN_PP | MMAN_sp | MMAN_nl;
+ print_word("The");
+ print_line(".B \\-T man", MMAN_nl);
+ print_word("output mode does not support");
+ print_word(n->type == ROFFT_EQN ? "eqn(7)" : "tbl(7)");
+ print_word("input.");
+ outflags |= MMAN_PP | MMAN_sp | MMAN_nl;
+ return;
+ case ROFFT_TEXT:
/*
* Make sure that we don't happen to start with a
* control character at the start of a line.
outflags &= ~(MMAN_spc | MMAN_spc_force);
else if (outflags & MMAN_Sm)
outflags |= MMAN_spc;
- } else if (n->tok < ROFF_MAX) {
- (*roff_manacts[n->tok])(meta, n);
- return;
- } else {
- assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
- /*
- * Conditionally run the pre-node action handler for a
- * node.
- */
- act = manacts + n->tok;
+ break;
+ default:
+ if (n->tok < ROFF_MAX) {
+ (*roff_man_acts[n->tok])(meta, n);
+ return;
+ }
+ act = mdoc_man_act(n->tok);
cond = act->cond == NULL || (*act->cond)(meta, n);
if (cond && act->pre != NULL &&
(n->end == ENDBODY_NOT || n->child != NULL))
do_sub = (*act->pre)(meta, n);
+ break;
}
/*
return n->type == ROFFT_BODY;
}
+static int
+pre_abort(DECL_ARGS)
+{
+ abort();
+}
+
static int
pre_enc(DECL_ARGS)
{
const char *prefix;
- prefix = manacts[n->tok].prefix;
+ prefix = mdoc_man_act(n->tok)->prefix;
if (NULL == prefix)
return 1;
print_word(prefix);
{
const char *suffix;
- suffix = manacts[n->tok].suffix;
+ suffix = mdoc_man_act(n->tok)->suffix;
if (NULL == suffix)
return;
outflags &= ~(MMAN_spc | MMAN_nl);
static void
post_percent(DECL_ARGS)
{
+ struct roff_node *np, *nn, *nnn;
- if (pre_em == manacts[n->tok].pre)
+ if (mdoc_man_act(n->tok)->pre == pre_em)
font_pop();
- if (n->next) {
- print_word(",");
- if (n->prev && n->prev->tok == n->tok &&
- n->next->tok == n->tok)
+
+ if ((nn = roff_node_next(n)) != NULL) {
+ np = roff_node_prev(n);
+ nnn = nn == NULL ? NULL : roff_node_next(nn);
+ if (nn->tok != n->tok ||
+ (np != NULL && np->tok == n->tok) ||
+ (nnn != NULL && nnn->tok == n->tok))
+ print_word(",");
+ if (nn->tok == n->tok &&
+ (nnn == NULL || nnn->tok != n->tok))
print_word("and");
} else {
print_word(".");
if (n->type == ROFFT_HEAD) {
outflags |= MMAN_sp;
- print_block(manacts[n->tok].prefix, 0);
+ print_block(mdoc_man_act(n->tok)->prefix, 0);
print_word("");
putchar('\"');
outflags &= ~MMAN_spc;
/* See mdoc_term.c, synopsis_pre() for comments. */
static void
-pre_syn(const struct roff_node *n)
+pre_syn(struct roff_node *n)
{
+ struct roff_node *np;
- if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
+ if ((n->flags & NODE_SYNPRETTY) == 0 ||
+ (np = roff_node_prev(n)) == NULL)
return;
- if (n->prev->tok == n->tok &&
+ if (np->tok == n->tok &&
MDOC_Ft != n->tok &&
MDOC_Fo != n->tok &&
MDOC_Fn != n->tok) {
return;
}
- switch (n->prev->tok) {
+ switch (np->tok) {
case MDOC_Fd:
case MDOC_Fn:
case MDOC_Fo:
static int
pre_bd(DECL_ARGS)
{
-
outflags &= ~(MMAN_PP | MMAN_sp | MMAN_br);
-
- if (DISP_unfilled == n->norm->Bd.type ||
- DISP_literal == n->norm->Bd.type)
+ if (n->norm->Bd.type == DISP_unfilled ||
+ n->norm->Bd.type == DISP_literal)
print_line(".nf", 0);
- if (0 == n->norm->Bd.comp && NULL != n->parent->prev)
+ if (n->norm->Bd.comp == 0 && roff_node_prev(n->parent) != NULL)
outflags |= MMAN_sp;
print_offs(n->norm->Bd.offs, 1);
return 1;
static void
post_bd(DECL_ARGS)
{
+ enum roff_tok bef, now;
/* Close out this display. */
print_line(".RE", MMAN_nl);
- if (DISP_unfilled == n->norm->Bd.type ||
- DISP_literal == n->norm->Bd.type)
- print_line(".fi", MMAN_nl);
+ bef = n->flags & NODE_NOFILL ? ROFF_nf : ROFF_fi;
+ if (n->last == NULL)
+ now = n->norm->Bd.type == DISP_unfilled ||
+ n->norm->Bd.type == DISP_literal ? ROFF_nf : ROFF_fi;
+ else if (n->last->tok == ROFF_nf)
+ now = ROFF_nf;
+ else if (n->last->tok == ROFF_fi)
+ now = ROFF_fi;
+ else
+ now = n->last->flags & NODE_NOFILL ? ROFF_nf : ROFF_fi;
+ if (bef != now) {
+ outflags |= MMAN_nl;
+ print_word(".");
+ outflags &= ~MMAN_spc;
+ print_word(roff_name[bef]);
+ outflags |= MMAN_nl;
+ }
/* Maybe we are inside an enclosing list? */
- if (NULL != n->parent->next)
+ if (roff_node_next(n->parent) != NULL)
mid_it();
}
print_line(".RE", MMAN_nl);
assert(Bl_stack_len);
Bl_stack_len--;
- assert(0 == Bl_stack[Bl_stack_len]);
+ assert(Bl_stack[Bl_stack_len] == 0);
} else {
outflags |= MMAN_PP | MMAN_nl;
outflags &= ~(MMAN_sp | MMAN_br);
}
/* Maybe we are inside an enclosing list? */
- if (NULL != n->parent->next)
+ if (roff_node_next(n->parent) != NULL)
mid_it();
-
}
static void
static int
pre_dl(DECL_ARGS)
{
-
print_offs("6n", 0);
return 1;
}
static void
post_dl(DECL_ARGS)
{
-
print_line(".RE", MMAN_nl);
/* Maybe we are inside an enclosing list? */
- if (NULL != n->parent->next)
+ if (roff_node_next(n->parent) != NULL)
mid_it();
}
static void
post_fa(DECL_ARGS)
{
+ struct roff_node *nn;
- if (NULL != n->next && MDOC_Fa == n->next->tok)
+ if ((nn = roff_node_next(n)) != NULL && nn->tok == MDOC_Fa)
print_word(",");
}
static int
pre_fd(DECL_ARGS)
{
-
pre_syn(n);
font_push('B');
return 1;
static void
post_fd(DECL_ARGS)
{
-
font_pop();
outflags |= MMAN_br;
}
static int
pre_fl(DECL_ARGS)
{
-
font_push('B');
print_word("\\-");
if (n->child != NULL)
static void
post_fl(DECL_ARGS)
{
+ struct roff_node *nn;
font_pop();
- if (!(n->child != NULL ||
- n->next == NULL ||
- n->next->type == ROFFT_TEXT ||
- n->next->flags & NODE_LINE))
+ if (n->child == NULL &&
+ ((nn = roff_node_next(n)) != NULL &&
+ nn->type != ROFFT_TEXT &&
+ (nn->flags & NODE_LINE) == 0))
outflags &= ~MMAN_spc;
}
case ROFFT_HEAD:
outflags |= MMAN_PP | MMAN_nl;
bln = n->parent->parent;
- if (0 == bln->norm->Bl.comp ||
- (NULL == n->parent->prev &&
- NULL == bln->parent->prev))
+ if (bln->norm->Bl.comp == 0 ||
+ (n->parent->prev == NULL &&
+ roff_node_prev(bln->parent) == NULL))
outflags |= MMAN_sp;
outflags &= ~MMAN_br;
switch (bln->norm->Bl.type) {
if (bln->norm->Bl.type == LIST_diag)
print_line(".B \"", 0);
else
- print_line(".R \"", 0);
+ print_line(".BR \\& \"", 0);
outflags &= ~MMAN_spc;
return 1;
case LIST_bullet:
pre_lk(DECL_ARGS)
{
const struct roff_node *link, *descr, *punct;
- int display;
if ((link = n->child) == NULL)
return 0;
}
/* Link target. */
- display = man_strlen(link->string) >= 26;
- if (display) {
- print_line(".RS", MMAN_Bk_susp);
- print_word("6n");
- outflags |= MMAN_nl;
- }
font_push('B');
print_word(link->string);
font_pop();
print_word(punct->string);
punct = punct->next;
}
- if (display)
- print_line(".RE", MMAN_nl);
return 0;
}
static int
pre_li(DECL_ARGS)
{
-
font_push('R');
return 1;
}
{
char *name;
- if (n->type == ROFFT_BLOCK) {
+ switch (n->type) {
+ case ROFFT_BLOCK:
outflags |= MMAN_Bk;
pre_syn(n);
- }
- if (n->type != ROFFT_ELEM && n->type != ROFFT_HEAD)
return 1;
+ case ROFFT_HEAD:
+ case ROFFT_ELEM:
+ break;
+ default:
+ return 1;
+ }
name = n->child == NULL ? NULL : n->child->string;
- if (NULL == name)
+ if (name == NULL)
return 0;
if (n->type == ROFFT_HEAD) {
- if (NULL == n->parent->prev)
+ if (roff_node_prev(n->parent) == NULL)
outflags |= MMAN_sp;
print_block(".HP", 0);
printf(" %dn", man_strlen(name) + 1);
static void
post_nm(DECL_ARGS)
{
-
switch (n->type) {
case ROFFT_BLOCK:
outflags &= ~MMAN_Bk;
static int
pre_no(DECL_ARGS)
{
-
outflags |= MMAN_spc_force;
return 1;
}
+static void
+pre_noarg(DECL_ARGS)
+{
+ outflags |= MMAN_nl;
+ print_word(".");
+ outflags &= ~MMAN_spc;
+ print_word(roff_name[n->tok]);
+ outflags |= MMAN_nl;
+}
+
static int
pre_ns(DECL_ARGS)
{
-
outflags &= ~MMAN_spc;
return 0;
}
git.ckatri.com / mandoc.git / blobdiff